Design of Planar Microwave Components and Sub-systems for Wideband Applications. The present research proposal will support the development of the Australian wireless communication industries by providing them with new solutions of fully integrated low-profile and compact size wideband wireless sub-systems, as demanded by emerging wideband applications. This goal will be accomplished by applying a new technique to the design of planar microwave circuits. The proposed solution should lead to impr ....Design of Planar Microwave Components and Sub-systems for Wideband Applications. The present research proposal will support the development of the Australian wireless communication industries by providing them with new solutions of fully integrated low-profile and compact size wideband wireless sub-systems, as demanded by emerging wideband applications. This goal will be accomplished by applying a new technique to the design of planar microwave circuits. The proposed solution should lead to improved competitiveness of the Australian communication companies in a global wireless communications market.Read moreRead less
Tools and techniques for cost effective creation of new, reliable and efficient microwave transistors for millimetre wave and wireless applications. Shifting the circuit design paradigm to the requirements of a circuit will provide a low-cost design solution for application with tight size, performance and lifetime constraints. This will enhance the international competitiveness of Mimix Broadband in the microwave wireless, aerospace, and radar markets, which will contribute to Australia's high ....Tools and techniques for cost effective creation of new, reliable and efficient microwave transistors for millimetre wave and wireless applications. Shifting the circuit design paradigm to the requirements of a circuit will provide a low-cost design solution for application with tight size, performance and lifetime constraints. This will enhance the international competitiveness of Mimix Broadband in the microwave wireless, aerospace, and radar markets, which will contribute to Australia's high performance circuit design sector. New knowledge and skilled researchers provided by this project will foster growth of the microwave and wireless industry. The local research community will be advantaged in international reputation and in its efforts to develop future high performance wireless systems.Read moreRead less
Achieving high linearity over broad bands in transistor circuits for communication applications. This project provides techniques to achieve the distortion performance required for the next generation communication circuits. By establishing new knowledge and skill within Australia to expand international competitiveness, it will position Australia as the leader in high performance circuit design, strengthen international collaboration, and allow the development of high performance broadband syst ....Achieving high linearity over broad bands in transistor circuits for communication applications. This project provides techniques to achieve the distortion performance required for the next generation communication circuits. By establishing new knowledge and skill within Australia to expand international competitiveness, it will position Australia as the leader in high performance circuit design, strengthen international collaboration, and allow the development of high performance broadband systems. An opportunity will be presented to enter the transistor characterization market on a competitive basis, which is a business suited to distance working within the international sector. Improved circuit performance will enable breakthrough discoveries in areas like radio astronomy, medical imaging, radar and detection, and instrumentation.Read moreRead less
Frequency stabilisation in the Extremely High Frequency band. All precision communication and measurement systems (i.e. radar and navigation) rely on high quality oscillator technology. Any improvement in oscillator performance has a direct impact on the performance of the system and hence is of potential economic benefit. This project will realise the most stable frequencies ever produced in the underused Extremely High Frequency band, which is also important for space communications and naviga ....Frequency stabilisation in the Extremely High Frequency band. All precision communication and measurement systems (i.e. radar and navigation) rely on high quality oscillator technology. Any improvement in oscillator performance has a direct impact on the performance of the system and hence is of potential economic benefit. This project will realise the most stable frequencies ever produced in the underused Extremely High Frequency band, which is also important for space communications and navigation technology. System enhancement will include, better angular resolution, higher bandwidths, faster transmission rates and narrower beam widths without the susceptibility of absorption apparent from the optical domain.Read moreRead less
Cognitive Radio Technology: Increasing Spectral Efficiency of Wireless Communications. The radio spectrum is an expensive resource and normally requires licensed operation. Cognitive Radio has been proposed as a means of releasing large tracts of unused spectrum without causing interference to other users. It uses a combination of frequency agility and intelligence to identify unused spectrum for transmission. This study will evaluate the performance gains of such a system by developing a spect ....Cognitive Radio Technology: Increasing Spectral Efficiency of Wireless Communications. The radio spectrum is an expensive resource and normally requires licensed operation. Cognitive Radio has been proposed as a means of releasing large tracts of unused spectrum without causing interference to other users. It uses a combination of frequency agility and intelligence to identify unused spectrum for transmission. This study will evaluate the performance gains of such a system by developing a spectrum occupancy data base to test a variety of radio access strategies. Cognitive Radio is particularly suited to providing low cost broadband access to remote, rural and city fringe dwellings.Read moreRead less
High-Performance Microwave and Millimetre Wave Antennae Based on Multi-layer Periodic Structures. Broadband communication has created a rapidly growing market for innovative microwave communication systems such as WiFi and WiMAX. Millimetre-wave technology is expected to deliver the next leap in communication technology with much faster wireless links for 3D TV etc. By developing innovative, low-cost, planar antennas with high performance, the proposed research will create opportunities for Aust ....High-Performance Microwave and Millimetre Wave Antennae Based on Multi-layer Periodic Structures. Broadband communication has created a rapidly growing market for innovative microwave communication systems such as WiFi and WiMAX. Millimetre-wave technology is expected to deliver the next leap in communication technology with much faster wireless links for 3D TV etc. By developing innovative, low-cost, planar antennas with high performance, the proposed research will create opportunities for Australian industry to compete in this growing global market with advanced, cost-effective, microwave and millimetre-wave products. The Australian research community will benefit from new methods, techniques and trained researchers, while Australian consumers will benefit from improved quality and low cost of services.Read moreRead less
Hybrid-resonator antennas for wireless communication networks. The rapid emergence of modern wireless communication systems has led to a requirement for small, lightweight antennas. In this project, a new, broadband, low-cost, small and lightweight antenna architecture will be developed for wireless systems. The new architecture is based on a novel hybrid-resonator concept: a dielectric resonator tightly coupled to a metal patch resonator. The rapid design and optimisation of new antennas will b ....Hybrid-resonator antennas for wireless communication networks. The rapid emergence of modern wireless communication systems has led to a requirement for small, lightweight antennas. In this project, a new, broadband, low-cost, small and lightweight antenna architecture will be developed for wireless systems. The new architecture is based on a novel hybrid-resonator concept: a dielectric resonator tightly coupled to a metal patch resonator. The rapid design and optimisation of new antennas will be achieved by developing several new theoretical methods. Antennas targeted for the Unlicensed National Information Infrastructure (UNII) band (5-6 GHz) commercial wireless communication systems will be designed, fabricated, tested and integrated with the systems.
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Broadband and Multiband Antenna Systems. Wireless communication has become essential in the modern information society and this has created a rapidly growing, multi-billion dollar market for innovative wireless products. Australia has a strong potential to gain from this market, as demonstrated by world-leading products, e.g. wireless computer microchips. By developing innovative antenna systems with new capabilities, the proposed research will create opportunities for Australian industry to com ....Broadband and Multiband Antenna Systems. Wireless communication has become essential in the modern information society and this has created a rapidly growing, multi-billion dollar market for innovative wireless products. Australia has a strong potential to gain from this market, as demonstrated by world-leading products, e.g. wireless computer microchips. By developing innovative antenna systems with new capabilities, the proposed research will create opportunities for Australian industry to compete in the global wireless market with advanced, low-cost, high-performance, and universal products. The Australian research community will benefit from new theoretical techniques and trained researchers, while wireless users will benefit from improved quality and low cost of services.Read moreRead less
Target Identification with Ultra-Wideband Polarimetric Radar. Radar reflecting objects resonate when electromagnetically and appropriately excited. These resonances can be extracted from the returned radar signal and used to identify the object. A simile is identifying a tuning fork from its sound rather than its image.
The techniques developed in this proposal are primarily to be used in security and defence applications for better screening of threat targets. The benefit is a safe and more ....Target Identification with Ultra-Wideband Polarimetric Radar. Radar reflecting objects resonate when electromagnetically and appropriately excited. These resonances can be extracted from the returned radar signal and used to identify the object. A simile is identifying a tuning fork from its sound rather than its image.
The techniques developed in this proposal are primarily to be used in security and defence applications for better screening of threat targets. The benefit is a safe and more secure environment. Read moreRead less
Novel High-Q Resonant Structures for Space and Telecommunications. High-Q microwave resonators with low spurious mode density have important applications in telecommunications, radar, navigation, precision metrology and time standards. We will develop high-Q resonators by constructing a dielectric Bragg resonators using monocrystalline sapphire loaded in a copper cavity with new cylindrical and spherical geometries. Based on these devices, compact and economical state-of-the-art ultra-low noise ....Novel High-Q Resonant Structures for Space and Telecommunications. High-Q microwave resonators with low spurious mode density have important applications in telecommunications, radar, navigation, precision metrology and time standards. We will develop high-Q resonators by constructing a dielectric Bragg resonators using monocrystalline sapphire loaded in a copper cavity with new cylindrical and spherical geometries. Based on these devices, compact and economical state-of-the-art ultra-low noise microwave oscillators and hydrogen masers will be built for the telecommunications market and space applications.Read moreRead less